In a examination 30% of the candidate failed in English, 35% failed in G.K. and 27% failed in both the subject. If 310 candidates passed in both, how many candidates appeared in the examination?

In an examination, 50% of the candidates failed in English, 40% failed in Hindi and 15% failed in both the subjects. The percentage of candidates who passed in both English and Hindi is

In an examination 70% of the candidates passed in English. 80% passed in Mathematics. 10% failed in both the subjects. If 144 candidates pased in both, the total number of candidates was :

In an exam 60% of the candidates passed in Maths and 70% candidates passed in English and 10% candidates failed in both the subjects. If 300 candidates passed in both the subjects. The total number of candidates appeared in the exam.

In an examination, 52% candidates failed in English and 42% failed in Mathematics. If 17% failed in both the subjects, then what percent passed in both the subjects ?

In an examination 70% of the candidates passed in English, 65% in Mathematics, 27 % failed in both the subjects and 248 candidates passed in both subjects. Find the total number of candidates.

In an examination, 60% of the candidates passed in English and 70% of the candidates passed in Mathematics, but 20% failed in both of these subjects. If 2500 candidates passed in both the subjects, the number of candidates that appeared at the examination was